In When animal-identification questions are on-topic it was asserted that photo identification is entirely non-searchable.
Is there really no way to search the net for an image?
It is certainly possible to search the internet for an image. There are several search engines which enable this:
There are also plugins for Firefox so you can right-click on an image and search for it. Tineye has one, but the one I use is called "Who stole my pictures?" which was of particular interest when I was looking for unauthorised usage of some of my photographs.